Datasheet

428
8011O–AVR–07/10
ATmega164P/324P/644P
32.5 Rev. 8011K- 09/08
32.6 Rev. 8011J- 09/08
32.7 Rev. 8011I- 05/08
1. Updated ”Features” on page 1, ”Pin Configurations” on page 2 and ”Ordering Informa-
tion” on page 420 according to the updated 44M1 package drawing.
2. Updated V
OL
in the table of ”DC Characteristics” on page 325.
3. Updated t
RST
and t
BOD
unites in the table of ”System and Reset Characteristics” on
page 331.
4. Updated typical values for ATmega324P and ATmega644P in the tables of ”DC Char-
acteristics” on page 325.
5. Replaced the package drawing ”44M1” on page 425 by a rev H update.
2. Added 49-ball VFBGA pinout for ATmega164P/324P in ”” on page 3.
6. Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 423.
1. Updated ATmega644P ”Errata” on page 426.
2. Added 49-ball VFBGA pinout for ATmega164P/324P in ”” on page 3.
6. Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 423.
1. Updated description in ”AVCC” on page 7.
2. Updated ”Stack Pointer” on page 13.
3. Updated Data Memory Map addresses, Figure 5-2 on page 20.
4. Updated description of use of external capacitors in ”Low Frequency Crystal Oscillator”
on page 34.
5. Updated typo in”Alternate Functions of Port C” on page 85.
6. Updated bit description in ”TWSR – TWI Status Register” on page 234.
7. Updated typo in ”Programming via the JTAG Interface” on page 312.
8. Updated conditions for V
OL
in the table of ”DC Characteristics” on page 325.
9. Updated ”External Clock Drive” on page 330.
10. Updated conditions for V
INT2
in Table 25-11 (Single Ended channels) in ”ADC Charac-
teristics” on page 335.
11. Updated Minimum Reference Voltage in Table 25-12 (Differential channels) in ”ADC
Characteristics” on page 335.
12. Updated bit field typos in ”Register Summary” on page 413.
2. Added 49-ball VFBGA pinout for ATmega164P/324P in ”” on page 3.
6. Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 423.